{"generator":"GNU social 2.0.2-dev","title":"Conversation","totalItems":1,"items":[{"actor":{"id":"https:\/\/mastodon.social\/users\/brouhaha","displayName":"\ud83c\uddfa\ud83c\udde6 haxadecimal \ud83d\udeab\ud83d\udc51","status_net":{"avatarLinks":[{"url":"https:\/\/gnusocial.jp\/avatar\/29084-original-tmp20221117050505.webp","rel":"avatar","type":"image\/webp","width":375,"height":375},{"url":"https:\/\/gnusocial.jp\/avatar\/29084-96-20221201235519.webp","rel":"avatar","type":"image\/webp","width":96,"height":96},{"url":"https:\/\/gnusocial.jp\/avatar\/29084-48-20221201235519.webp","rel":"avatar","type":"image\/webp","width":48,"height":48},{"url":"https:\/\/gnusocial.jp\/avatar\/29084-24-20221201235519.webp","rel":"avatar","type":"image\/webp","width":24,"height":24}],"profile_info":{"local_id":"29084"}},"image":{"url":"https:\/\/gnusocial.jp\/avatar\/29084-96-20221201235519.webp","rel":"avatar","type":"image\/webp","width":96,"height":96},"objectType":"person","summary":"Proud to be Antifa, like my grandfather, who was killed fighting fascism in WWII, and was posthumously awarded the Air Medal and the Purple Heart.#microcontroller #firmware #C #CPlusPlus#FPGA #VHDL #Verilog #SDR (SW Defined Radio)#retrocomputing#nonpareil HP calculator simulation at #microcode levelMaker (with John Doran) of #NixieTube #RPN #calculatorCHM PDP-1 Restoration Teamcis maleatheistDamned dirty apeNot a tame programmerSome assembly requiredNo user serviceable parts inside","url":"https:\/\/mastodon.social\/@brouhaha","portablecontacts_net":{"preferredUsername":"brouhaha","displayName":"\ud83c\uddfa\ud83c\udde6 haxadecimal \ud83d\udeab\ud83d\udc51","note":"Proud to be Antifa, like my grandfather, who was killed fighting fascism in WWII, and was posthumously awarded the Air Medal and the Purple Heart.#microcontroller #firmware #C #CPlusPlus#FPGA #VHDL #Verilog #SDR (SW Defined Radio)#retrocomputing#nonpareil HP calculator simulation at #microcode levelMaker (with John Doran) of #NixieTube #RPN #calculatorCHM PDP-1 Restoration Teamcis maleatheistDamned dirty apeNot a tame programmerSome assembly requiredNo user serviceable parts inside"}},"content":"<p>AMD\/Xilinx 7-series GTP question:<\/p><p>Has anyone used 10GBASE-SR SFP+ transceivers to link GTPs of two Artix 7 FPGAs on different boards?<\/p><p>In other words, I'm interested in using the transceiver as a \"raw\" optical interface at, say, 5 to 6 Gd line rate, within the GTP specifications, rather than the 10.3125 GBd that would be used for 10G Ethernet.<br \/>This obviously depends on the transceiver to be dumb, like an SR or LR, and not reformat the signal, do WDM, etc.<\/p><p><a href=\"https:\/\/mastodon.social\/tags\/AMD\" class=\"mention hashtag\" rel=\"tag\">#AMD<\/a> <a href=\"https:\/\/mastodon.social\/tags\/Xilinx\" class=\"mention hashtag\" rel=\"tag\">#Xilinx<\/a> <a href=\"https:\/\/mastodon.social\/tags\/Artix7\" class=\"mention hashtag\" rel=\"tag\">#Artix7<\/a> <a href=\"https:\/\/mastodon.social\/tags\/GTP\" class=\"mention hashtag\" rel=\"tag\">#GTP<\/a> <a href=\"https:\/\/mastodon.social\/tags\/SFPplus\" class=\"mention hashtag\" rel=\"tag\">#SFPplus<\/a><\/p>","generator":{"id":"tag:gnusocial.jp,2026-06-30:notice-source:ActivityPub","objectType":"application","status_net":{"source_code":"ActivityPub"}},"id":"https:\/\/mastodon.social\/users\/brouhaha\/statuses\/116673520593771126","object":{"id":"https:\/\/mastodon.social\/users\/brouhaha\/statuses\/116673520593771126","objectType":"note","content":"<p>AMD\/Xilinx 7-series GTP question:<\/p><p>Has anyone used 10GBASE-SR SFP+ transceivers to link GTPs of two Artix 7 FPGAs on different boards?<\/p><p>In other words, I'm interested in using the transceiver as a \"raw\" optical interface at, say, 5 to 6 Gd line rate, within the GTP specifications, rather than the 10.3125 GBd that would be used for 10G Ethernet.<br \/>This obviously depends on the transceiver to be dumb, like an SR or LR, and not reformat the signal, do WDM, etc.<\/p><p><a href=\"https:\/\/mastodon.social\/tags\/AMD\" class=\"mention hashtag\" rel=\"tag\">#AMD<\/a> <a href=\"https:\/\/mastodon.social\/tags\/Xilinx\" class=\"mention hashtag\" rel=\"tag\">#Xilinx<\/a> <a href=\"https:\/\/mastodon.social\/tags\/Artix7\" class=\"mention hashtag\" rel=\"tag\">#Artix7<\/a> <a href=\"https:\/\/mastodon.social\/tags\/GTP\" class=\"mention hashtag\" rel=\"tag\">#GTP<\/a> <a href=\"https:\/\/mastodon.social\/tags\/SFPplus\" class=\"mention hashtag\" rel=\"tag\">#SFPplus<\/a><\/p>","url":"https:\/\/mastodon.social\/@brouhaha\/116673520593771126","status_net":{"notice_id":null},"tags":[{"objectType":"http:\/\/activityschema.org\/object\/hashtag","displayName":"artix7"},{"objectType":"http:\/\/activityschema.org\/object\/hashtag","displayName":"gtp"},{"objectType":"http:\/\/activityschema.org\/object\/hashtag","displayName":"sfpplus"},{"objectType":"http:\/\/activityschema.org\/object\/hashtag","displayName":"xilinx"}]},"to":[{"objectType":"http:\/\/activitystrea.ms\/schema\/1.0\/collection","id":"http:\/\/activityschema.org\/collection\/public"}],"status_net":{"conversation":"tag:gnusocial.jp,2026-06-01:objectType=thread:nonce=8b0090133d163775","notice_info":{"local_id":"12685402","source":"ActivityPub"}},"published":"2026-06-01T06:52:12+00:00","provider":{"objectType":"service","displayName":"GNU social JP","url":"https:\/\/gnusocial.jp\/"},"verb":"post","url":"https:\/\/mastodon.social\/@brouhaha\/116673520593771126"}],"links":[{"url":"https:\/\/gnusocial.jp\/conversation\/6443936","rel":"alternate","type":"text\/html"}]}